Because it s located outside your house near your condenser the line is subjected to the elements.
Central air conditioner leaking water inside.
If grime mold or other debris clog the drain line it can rupture and leak.
Clogged drain line every air conditioner has a drain line for water to pass through until it reaches the drain.
So with all that in mind here are a few things that cause that water to leak into your home.
If the drain line gets clogged with dust dirt sludge or mold that water backs up into your home.
Clogged condensate drain line.
The most common gremlin behind a central air conditioner s leakages is a clogged condensate line.
In that case you ll need to unclog it.
The inside unit s blower pulls in hot humid air through the return grille and over the inside unit s cold evaporator coil pictured above to cool the air down.
Unfortunately this can get blocked and can result in leaks.
When that happens condensation droplets form on the evaporator coil.
Why water forms in a central air conditioner indoor unit part of your air conditioner s job is to pull humidity from the air.
This moisture drips down your ac s evaporator coil collects in a drain pan and leaves your home through the condensate drain line.
The blower inside the unit pulls the hot and humid air in the hot air travels through the return grill then over the cold evaporator coil to cool it down.
No your ac doesn t use water to operate.
If water leaking from the ac becomes an issue water coming from the ac condensate drain pipe may be the sound you hear if the weather is hot and humid.
It does however create a fair amount of condensation.
A clogged condensate drain line is the most common cause of water leaking from your ac into your home.
To do that your system s blower pulls in air or sucks in air through an air vent inside your home called a return vent.
During the cooling process your air conditioner produces condensation.
A dirty air filter causes restriction in airflow to the evaporator coils and the coils will freeze up.
The air filter is most likely dirty on the ac unit and needs replaced.